Which of the following is not a shape of the chloroplast?

Which of the following organelles is bounded by two unit membranes?

Examine the figure:
$(a)$ Is this structure present in an animal cell or a plant cell?
$(b)$ Can these be passed on to the progeny? How?
$(c)$ Name the metabolic processes taking place in the regions marked $(A)$ and $(B)$.

Select the correct option for the size of the chloroplast.

Which plastids contain pigments other than chlorophyll?

Choose the correct sentence.